Applications of Nanocrystal in LED Lighting and Display

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Nanophotonics Materials and Devices".

Deadline for manuscript submissions: closed (30 September 2023) | Viewed by 1366

Special Issue Editors

School of Electronics and Information Engineering, Hebei University of Technology, Tianjin 300401, China
Interests: perovskite nanocrystal; quantum dots; carbon dots; lighting and display; luminescent solar concentrators

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Guest Editor
College of Materials Science and Engineering, Jilin University, Changchun 130012, China
Interests: perovskites; quantum dots; optoelectronic devices

Special Issue Information

Dear Colleagues, 

Recently, fluorescent nanomaterials including quantum dots, carbon nanomaterials, and up-conversion nanomaterials, have attracted much attention in LED lighting and display area as they possessed unique physicochemical properties and excellent optical properties. These fluorescent nanomaterials show great potential to replace the traditional phosphor powder and increase the efficiency of the LED. 

In the Special Issue on “Applications of Nanocrystal in LED Lighting and Display”, we are pleased to invite you to share the latest lighting and display developments in fluorescent nanomaterials. 

This Special Issue aims to organize research articles, communications, and review articles to study the fluorescent nanomaterials synthesis, materials properties, and device applications for lighting and display. Research areas may include (but are not limited to) the following: 

  • Quantum dots;
  • Carbon nanomaterials (carbon dots and graphene dots);
  • Up-conversion nanomaterials;
  • Metal nanomaterials;
  • Surface plasmon resonance;
  • Förster resonance energy transfer;
  • Lighting and display;
  • Micro-LED display or AR/VR, etc.

Dr. Chun Sun
Dr. Xiaoyu Zhang
Guest Editors

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Keywords

  • fluorescent
  • nanomaterials
  • quantum dots
  • lighting
  • display
  • energy transfer

Published Papers (1 paper)

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Research

15 pages, 4926 KiB  
Article
Metal-Ion-Doped Manganese Halide Hybrids with Tunable Emission for Advanced Anti-Counterfeiting
by Chun Sun, Hu Zhang, Zhihui Deng, Chao Fan, Xiaohui Liu, Mingming Luo, Yiwei Zhao and Kai Lian
Nanomaterials 2023, 13(12), 1890; https://doi.org/10.3390/nano13121890 - 20 Jun 2023
Cited by 1 | Viewed by 1140
Abstract
Stimuli-responsive luminescent materials have received great attention for their potential application in anti-counterfeiting and information encryption. Manganese halide hybrids have been considered an efficient stimuli-responsive luminescent material due to their low price and adjustable photoluminescence (PL). However, the photoluminescence quantum yield (PLQY) of [...] Read more.
Stimuli-responsive luminescent materials have received great attention for their potential application in anti-counterfeiting and information encryption. Manganese halide hybrids have been considered an efficient stimuli-responsive luminescent material due to their low price and adjustable photoluminescence (PL). However, the photoluminescence quantum yield (PLQY) of PEA2MnBr4 is relatively low. Herein, Zn2+- and Pb2+-doped PEA2MnBr4 samples are synthesized, and show an intense green emission and orange emission, respectively. After doping with Zn2+, the PLQY of PEA2MnBr4 is elevated from 9% to 40%. We have found that green emitting Zn2+-doped PEA2MnBr4 could transform to a pink color after being exposed to air for several seconds and the reversible transformation from pink to green was achieved by using heating treatment. Benefiting from this property, an anti-counterfeiting label is fabricated, which exhibits excellent “pink-green-pink” cycle capability. Pb2+-doped PEA2Mn0.88Zn0.12Br4 is acquired by cation exchange reaction, which shows intense orange emission with a high QY of 85%. The PL of Pb2+-doped PEA2Mn0.88Zn0.12Br4 decreases with increasing temperature. Hence, the encrypted multilayer composite film is fabricated relying on the different thermal responses of Zn2+- and Pb2+-doped PEA2MnBr4, whereby the encrypted information can be read out by thermal treatment. Full article
(This article belongs to the Special Issue Applications of Nanocrystal in LED Lighting and Display)
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